CVE-2025-21408: high-severity vulnerability in Microsoft Edge (Chromium-based)
Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.8epss 1.3%
Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Affected products
Microsoft · Microsoft Edge (Chromium-based)Related CVEs — Microsoft Edge (Chromium-based)
In the same product, most dangerous first.
CVE-2026-96951HIGHWindows Shell Security Feature Bypass VulnerabilityEPSS 9.8%KEVCVE-2024-21388MEDIUMMicrosoft Edge (Chromium-based) Elevation of Privilege VulnerabilityEPSS 32.0%CVE-2023-33145MEDIUMMicrosoft Edge (Chromium-based) Information Disclosure VulnerabilityEPSS 8.6%CVE-2021-30615—CVE-2021-30615EPSS 5.6%CVE-2021-30614—CVE-2021-30614EPSS 4.5%CVE-2021-30616—CVE-2021-30616EPSS 4.1%